Protagonist Therapeutics
Most recent annual filing: 2026-02-25
- Zasocitinib Takeda filing2026Zasocitinib Takeda filing, 2026, notable
- MIMRYLO/ICOTYDE commercial launch3Q 2026MIMRYLO/ICOTYDE commercial launch, 3Q 2026, notable
- DISC-3405 Disc Medicine Ph2 interim3Q 2026DISC-3405 Disc Medicine Ph2 interim, 3Q 2026, notable
- PTGX buyback corporate updateBy year-end 2026PTGX buyback corporate update, By year-end 2026, routine
- Takeda/J&J milestone payments FDA decision4Q 2026Takeda/J&J milestone payments FDA decision, 4Q 2026, material
- PN-881 Ph2b startearly 1Q 2027PN-881 Ph2b start, early 1Q 2027, notable
- PN-8047 Ph1 start1Q 2027PN-8047 Ph1 start, 1Q 2027, notable
- PN-477 Ph1 start1H 2027PN-477 Ph1 start, 1H 2027, notable
- Divesiran Silence Therapeutics Ph3 readout1H 2027Divesiran Silence Therapeutics Ph3 readout, 1H 2027, notable
- ICOTYDE readoutFeb 2027 – Sep 2028ICOTYDE readout, Feb 2027 – Sep 2028, material
- PN-8047 Ph1 interimMid-2027PN-8047 Ph1 interim, Mid-2027, material
- PN-477/PN-8047/PN-458 Ph2 readout2H 2027PN-477/PN-8047/PN-458 Ph2 readout, 2H 2027, material
- PN-881 readout2H 2027PN-881 readout, 2H 2027, material
- PN-881 Ph2 topline1H 2028PN-881 Ph2 topline, 1H 2028, major
Bar width shows how precise the guidance is — a pin is a stated date, a wide band a six-month window. Deeper blue means more of the thesis rides on the event; it is not a view on the stock.
Pipeline (11 active programs)
PN-881
PN-477
PN-477scIcotyde
icotrokinraPN-458
PN-8047
PN-477sc
- Undisclosed indication
Technology platforms
Protagonist Peptide Platform
Proprietary constrained peptide discovery platform leveraging phage display, medicinal chemistry, structural biology, oral stability techniques, and in vivo pharmacology to develop oral and injectable peptide therapeutics. Applied across inflammation/immunology (IL-23R, IL-17), hematology (hepcidin mimetics), and metabolic diseases (incretin receptor agonists). Also enables small molecule discovery for targets requiring high oral bioavailability.
Targets: IL-23R, IL-17, hepcidin, GLP-1R, GIPR, GCGR
Biotech Distilled coverage (2)
- 2026-09-09 UPDATE: Protagonist Therapeutics (PTGX) - The Buyback Lands 🔒 Paid
- 2026-08-31 Protagonist Therapeutics (PTGX) - Scientific Deep Dive for MIMRYLO, ICOTYDE and the Wholly-Owned Peptide Pipeline 🔒 Paid
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